CN108160776B - Guardrail bending apparatus - Google Patents
Guardrail bending apparatus Download PDFInfo
- Publication number
- CN108160776B CN108160776B CN201711417772.5A CN201711417772A CN108160776B CN 108160776 B CN108160776 B CN 108160776B CN 201711417772 A CN201711417772 A CN 201711417772A CN 108160776 B CN108160776 B CN 108160776B
- Authority
- CN
- China
- Prior art keywords
- guardrail
- locating rack
- bending
- plate
- concrete chute
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005452 bending Methods 0.000 title claims abstract description 88
- 238000010438 heat treatment Methods 0.000 claims abstract description 51
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 13
- 238000000926 separation method Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 241001391944 Commicarpus scandens Species 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 16
- 230000009471 action Effects 0.000 description 4
- 241001442589 Convoluta Species 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
- B21D7/162—Heating equipment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The present patent application belongs to guardrail processing technique field, specifically disclose a kind of guardrail bending apparatus, it successively include horizontal positioned locating rack, bending roll and the first power mechanism, the two sides of locating rack are symmetrically arranged with slide, level slidably connects slide plate in slide, is set in locating rack there are two support plate and the second power mechanism；Rotor plate is connected between support plate and slide plate, one end of rotor plate and support plate are hinged, and the other end and slide plate of rotor plate are hinged；Bending roll is fixedly connected with the first power mechanism, horizontal concrete chute and two skewed slots are provided in bending roll, the opening direction of horizontal concrete chute and skewed slot is towards locating rack, heating mechanism is equipped in horizontal concrete chute, when bending roll squeezes guardrail, heating mechanism heats guardrail place to be bent, and hang plate is slidably connected in skewed slot.A kind of bending angle is easily-controllable providing for the purpose of the present invention, and guardrail bending apparatus not easy to break during bending.
Description
Technical field
The invention belongs to guardrail processing technique fields, specifically disclose a kind of guardrail bending apparatus.
Background technique
In guardrail process, it usually needs carry out the bending process of certain angle, to guardrail to adapt it to be laid with
Demand, existing guardrail bending machining mostly uses bending apparatus to carry out artificial, and guardrail bending angle is not easy to control, and
It is easy to happen fracture during bending.
Summary of the invention
The purpose of the present invention is providing a kind of guardrail bending apparatus, to solve guardrail bending apparatus bending in the prior art
The problem of angle is not easy to control, is easy to happen fracture during bending.
In order to achieve the above object, base case of the invention are as follows: a kind of guardrail bending apparatus successively includes horizontal positioned
Locating rack, bending roll and push the first power mechanism for moving along locating rack centerline direction of bending roll, the locating rack
Two sides are symmetrically arranged with slide, and level slidably connects slide plate in the slide, are equipped in the locating rack same to locating rack two sides
Two support plates of moved further and the second power mechanism for driving support plate mobile；Oriented positioning is connected between support plate and slide plate
Inclined rotor plate in the middle part of frame, one end of the rotor plate and support plate are hinged, and the other end and slide plate of the rotor plate are hinged；
The bending roll is fixedly connected with the first power mechanism, and the horizontal concrete chute along locating rack centerline direction is provided in the bending roll
With bottom close to two skewed slots of bending roll center line, two skewed slots are symmetrically arranged at horizontal concrete chute two sides, in the horizontal concrete chute
Equipped with heating mechanism, when bending roll squeezes guardrail, heating mechanism heats guardrail place to be bent, sliding in the skewed slot
It is connected with hang plate, the hang plate is connected by the bottom of spring and skewed slot.
The working principle of this base case is: when being bent to guardrail, first by guardrail be placed on locating rack with it is curved
Between curved roll；Since bending roll is fixedly connected with the first power mechanism, so bending roll can be under the drive of the first power mechanism
It moves, starts the first power mechanism, make the first power mechanism push bending roll close to locating rack, when bending roll starts to squeeze
When pressing guardrail place to be bent, the first power mechanism is closed, guardrail is positioned between bending roll and two slide plates at this time；Bending roll
Heating mechanism while positioning to guardrail in horizontal concrete chute heats guardrail place to be bent, and the guardrail after heating is easier
It bends, and is not susceptible to be broken during bending；Due to being provided with the water along locating rack centerline direction in bending roll
Close to two skewed slots of bending roller center, two skewed slots are symmetrically arranged at horizontal concrete chute two sides for smooth slot and bottom, horizontal concrete chute with
The opening direction of skewed slot is towards locating rack, so when the heating mechanism in horizontal concrete chute starts to heat guardrail place to be bent
When, the skewed slot of horizontal concrete chute two sides can also be contacted with guardrail place to be bent, and so that guardrail and two hang plates is formed a heating chamber,
Heating mechanism is constantly passed through heat gas into the chamber, and one side heat gas positions to be bent all to guardrail carry out abundant
It is evenly heated, rather than only certain at guardrail position to be bent is heated, improve the ratio of briquetting of guardrail, another party
Face, heating chamber can guarantee the effective temperature of heat gas the long period, carry out heating mechanism to guardrail position to be bent fast
Speed heating, time needed for shortening guardrail bending；Then, start the second power mechanism, band of the support plate in the second power mechanism
To locating rack two sides synchronizing moving under dynamic, the distance of two support plates is gradually increased；Since one end of rotor plate and support plate are cut with scissors
Connect, the other end and slide plate of rotor plate are hinged, under the drive of support plate, rotor plate to angle inclined in the middle part of locating rack gradually
Increase, at the same time, the distance that slide plate is skidded off out of slide gradually increases；Increase at the inclination angle of rotor plate, bending roll position
In the case where fixation, rotor plate and slide plate constantly exert a force to the two sides of guardrail, the final bending realized to guardrail；With guardrail
Apart from smaller and smaller, hang plate is slidably connected in skewed slot the bending roll of bending, the two sides of guardrail and horizontal concrete chute two sides, is tilted
Extruding meeting down fold basal sliding of the plate by guardrail two sides, so guardrail and two hang plate moment can enclose heating
Chamber；After guardrail has been bent, closes the second power mechanism and start the first power mechanism, the first power mechanism drives bending roll separate
Guardrail, while heating mechanism stops heating to guardrail, hang plate is no longer by the extruding of guardrail, under the action of the spring, to separate
The bottom direction of skewed slot skids off；Guardrail is finally removed, is completed to the curved overall process of guardrail.
The beneficial effect of this base case is: 1) driving two support plates to the two of locating rack by the second power mechanism
Side synchronizing moving, realization uniformly exert a force to the two sides at guardrail position to be bent, with worker in the prior art using tool to guardrail
It carries out artificial bending to compare, the present apparatus carries out mechanical bend to guardrail, saves manpower, production efficiency greatly improves, and passes through
Control support plate can control the curved angle of guardrail, the support plate distance mobile to two sides to the mobile distance in locating rack two sides
Bigger, the curved angle of guardrail is bigger；2) setting of heating mechanism, in guardrail bending process, when guardrail and two hang plates
Quarter can enclose a heating chamber, guarantee that heating mechanism positions to be bent all to guardrail carry out full and uniform heating, avoid
In guardrail bending process, avoids guardrail rigidity too big, crack conditions occur, improve the ratio of briquetting of guardrail.
Further, second power mechanism include the opposite screw rod of two sides screw thread and drive screw rod rotation motor, two
A support plate is connected through a screw thread with screw rod, and is respectively at the horizontal center line two sides of screw rod.Motor rotation drives screw rod to turn
It is dynamic, due to screw rod two sides screw thread on the contrary, moving direction in guardrail on the contrary, be bent so two support plates are under the drive of screw rod
In the process, two support plates can be mobile to the two sides of locating rack simultaneously, and the distance between two support plates increase；It is bent in guardrail
Afterwards, change motor and change rotation direction, two support plates can be mobile to the centerline direction close to locating rack, two support plates it
Between distance reduce.
Further, the heating mechanism is to seal and be slidably connected at the contact in horizontal concrete chute, is opened in the bending roll
There is heating pipe, the heating pipe is set to horizontal concrete chute side, and is connected to horizontal concrete chute, and escape pipe is equipped in the contact
Road, the gas outlet of the outlet pipe is towards the centerline direction of locating rack, and the contact passes through spring and the bottom of sliding slot connects,
When contact is squeezed by guardrail, outlet pipe is connected to heating pipe.Due in bending roll and guardrail contact process, contact by
Slided to being pressed against in horizontal concrete chute for guardrail, the outlet pipe in contact is connected to heating pipe, hot gas through outlet pipe from
The gas outlet of outlet pipe sprays, and heats to guardrail position to be bent；After guardrail bending, bending roll is separated with guardrail,
Contact loses extruding force, under the action of the spring, slides to far from sliding slot bottom direction, makes the outlet pipe and heating in contact
Pipeline separation, the gas outlet of outlet pipe stop spraying hot gas to guardrail position to be bent.
Further, be equipped with cooling pipe in the bending roll, the cooling pipe is set to horizontal concrete chute side, and with level
Sliding slot connection, in contact springback process, outlet pipe is separated with heating pipe, and is connected to cooling pipe.When guardrail with it is curved
Curved roll separation, under the action of the spring in springback process, outlet pipe is separated with heating pipe contact first, subsequent outlet pipe
It is connected to cooling pipe, outlet pipe of the cooling gas through contact is sprayed from the gas outlet of outlet pipe, to guardrail pars convoluta to be curved
Position carries out cooling shaping.
Further, first power mechanism is hydraulic cylinder, and the piston rod of the hydraulic cylinder is fixedly connected with bending roll, real
It is now simple, it is easy to operate.
Detailed description of the invention
Fig. 1 is the top view before guardrail bending apparatus embodiment guardrail bending of the present invention；
Fig. 2 is guardrail bending apparatus embodiment guardrail of the present invention top view after bending.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail:
Appended drawing reference in Figure of description include: locating rack 1, bending roll 2, slide 3, slide plate 4, rotor plate 5, screw rod 6,
Motor 7, horizontal concrete chute 8, skewed slot 9, hang plate 10, heating pipe 11, contact 12, outlet pipe 13, cooling pipe 14, hydraulic cylinder
15, support plate 16, guardrail 17.
As shown in Figure 1 and Figure 2, a kind of guardrail bending apparatus successively includes horizontal positioned locating rack 1, bending roll 2 and is pushed away
The first power mechanism that dynamic bending roll 2 is moved along 1 centerline direction of locating rack, the first power mechanism are hydraulic cylinder 15, hydraulic cylinder
15 piston rod is fixedly connected with bending roll 2；The two sides of locating rack 1 are symmetrically connected with two slides 3 by bolt, in slide 3
Level slidably connects slide plate 4, and two support plates 16 and drive branch to 1 two sides synchronizing moving of locating rack are equipped in locating rack 1
The second mobile power mechanism of fagging 16, the second power mechanism include the opposite screw rod 6 of two sides screw thread and screw rod 6 are driven to rotate
Motor 7, two support plates 16 are threadedly coupled with screw rod 6, and are respectively at the horizontal center line two sides of screw rod 6.Motor 7 rotates band
Dynamic screw rod 6 rotates, two Slideslips of the support plate 16 to locating rack 1, the increase of the distance between two support plates 16；Motor 7 changes
Rotation direction, two support plates 16 are mobile to the centerline direction close to locating rack 1, and the distance between two support plates 16 subtract
It is small.The oriented 1 inclined rotor plate 5 in middle part of locating rack, one end of rotor plate 5 and support plate are connected between support plate 16 and slide plate 4
16 is hinged, and the other end and slide plate 4 of rotor plate 5 are hinged.
It is provided in bending roll 2 along the horizontal concrete chute 8 of 1 centerline direction of locating rack and bottom close to 2 center line of bending roll
For the opening direction of two skewed slots 9, horizontal concrete chute 8 and skewed slot 9 towards locating rack 1, two skewed slots 9 are symmetrically arranged at horizontal concrete chute 8
Two sides, horizontal concrete chute 8 is interior to be equipped with heating mechanism；Hang plate 10 is slidably connected in skewed slot 9, hang plate 10 passes through spring and skewed slot
9 bottom connection.
Heating mechanism is the contact 12 for sealing and being slidably connected in horizontal concrete chute 8, is provided with heating pipe in bending roll 2
11, heating pipe 11 is set to 8 side of horizontal concrete chute, and is connected to horizontal concrete chute 8, and outlet pipe 13, outlet are equipped in contact 12
Towards the centerline direction of locating rack 1, contact 12 connected by the bottom of spring and sliding slot for the gas outlet of pipeline 13, when contact 12 by
When squeezing to guardrail 17, outlet pipe 13 is connected to heating pipe 11.Cooling pipe 14, cooling pipe 14 are equipped in bending roll 2
It is connected to set on 8 side of horizontal concrete chute, and with horizontal concrete chute 8, in 12 springback process of contact, outlet pipe 13 and heating pipe 11
Separation, and be connected to cooling pipe 14.
When being bent to guardrail 17, guardrail 17 is placed between locating rack 1 and bending roll 2 first；Starting first is dynamic
Force mechanisms, hydraulic cylinder 15 push bending roll 2 close to locating rack 1, when bending roll 2 starts to squeeze 17 place to be bent of guardrail, close
Hydraulic cylinder 15 is closed, guardrail 17 is positioned between bending roll 2 and two slide plates 4 at this time；Simultaneously the contact 12 in horizontal concrete chute 8 by
It is slided to being pressed against in horizontal concrete chute 8 for guardrail 17, the outlet pipe 13 in contact 12 is connected to heating pipe 11, and hot gas is through going out
Feed channel 13 is sprayed from the gas outlet of outlet pipe 13, is heated to the position to be bent of guardrail 17；When adding in horizontal concrete chute 8
When heat engine structure starts to heat the place to be bent of guardrail 17, the skewed slot 9 of 8 two sides of horizontal concrete chute can also connect with the place to be bent of guardrail 17
Touching, makes guardrail 17 and two hang plates 10, one heating chamber of formation, and heating mechanism is constantly passed through heat gas into the chamber, and one
Aspect heat gas positions to be bent all to guardrail 17 carry out full and uniform heating, rather than only to the pars convoluta to be curved of guardrail 17
Certain of position is heated, and on the other hand, the setting of heating chamber can guarantee the effective temperature of heat gas the long period, make
Heating mechanism heats rapidly the position to be bent of guardrail 17；Subsequent start-up motor 7, support plate 16 is under the drive of motor 7
To 1 two sides synchronizing moving of locating rack, the distance of two support plates 16 is gradually increased, and rotor plate 5 is to the inclined angle in the middle part of locating rack 1
Degree gradually increases, and the distance that slide plate 4 is skidded off out of slide 3 gradually increases；During the inclination angle of rotor plate 5 increases,
In the case that 2 position of bending roll is fixed, rotor plate 5 constantly exerts a force with slide plate 4 to the two sides of guardrail 17, final to realize to guardrail 17
Bending；With the bending of guardrail 17, the two sides of guardrail 17 and the bending roll 2 of 8 two sides of horizontal concrete chute are apart from smaller and smaller, inclination
Plate 10 is slidably connected in skewed slot 9, extruding meeting down fold 9 basal sliding of the hang plate 10 by 17 two sides of guardrail, so guardrail
17 and two 10 moment of hang plate can enclose heating chamber, guarantee that the curved whole process of guardrail, heating chamber are to be curved to guardrail
The heating of pars convoluta position；After guardrail 17 has been bent, motor 7 is closed, starts hydraulic cylinder 15, hydraulic cylinder 15 drives bending roll 2 far from shield
Column 17, while bending roll 2 is separated with guardrail 17, contact 12 loses extruding force, springs back under the action of the spring, outlet pipe 13 with
Heating pipe 11 separates, and is connected to cooling pipe 14, and cold air is sprayed through cooling pipe 14 from the gas outlet of outlet pipe 13, right
Guardrail position after bending carries out cooling and shaping, finally removes guardrail 17, completes to the curved overall process of guardrail 17.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented
Effect and patent practicability.
Claims (4)
1. a kind of guardrail bending apparatus, which is characterized in that successively include horizontal positioned locating rack, bending roll and promotion bending roll
The first power mechanism moved along locating rack centerline direction, the two sides of the locating rack are symmetrically arranged with slide, in the slide
Level slidably connects slide plate, and two support plates and drive support to locating rack two sides synchronizing moving are equipped in the locating rack
The second mobile power mechanism of plate；Inclined rotor plate, the rotation in the middle part of oriented locating rack are connected between support plate and slide plate
One end of plate and support plate are hinged, and the other end and slide plate of the rotor plate are hinged；The bending roll and the first power mechanism are solid
It is fixed to connect, it is provided with along the horizontal concrete chute of locating rack centerline direction and bottom in the bending roll close to the two of bending roll center line
A skewed slot, two skewed slots are symmetrically arranged at horizontal concrete chute two sides, the opening direction of the horizontal concrete chute and skewed slot towards locating rack,
Heating mechanism is equipped in the horizontal concrete chute, when bending roll squeezes guardrail, heating mechanism heats guardrail place to be bent,
Hang plate is slidably connected in the skewed slot, the hang plate is connected by the bottom of spring and skewed slot；The heating mechanism is
The contact in horizontal concrete chute is sealed and be slidably connected at, heating pipe is provided in the bending roll, the heating pipe is set to water
Smooth slot side, and be connected to horizontal concrete chute, equipped with outlet pipe in the contact, the gas outlet of the outlet pipe is towards positioning
The centerline direction of frame, the contact are connected by the bottom of spring and sliding slot, when contact is squeezed by guardrail, outlet pipe
It is connected to heating pipe.
2. guardrail bending apparatus as described in claim 1, which is characterized in that second power mechanism includes two sides screw thread phase
Anti- screw rod and the motor for driving screw rod to rotate, two support plates are connected through a screw thread with screw rod, and are respectively at the water of screw rod
Flat center line two sides.
3. guardrail bending apparatus as described in claim 1, which is characterized in that cooling pipe is equipped in the bending roll, it is described
Cooling pipe is set to horizontal concrete chute side, and is connected to horizontal concrete chute, in contact springback process, outlet pipe and heating pipe
Separation, and be connected to cooling pipe.
4. guardrail bending apparatus as described in claim 1, which is characterized in that first power mechanism is hydraulic cylinder, described
The piston rod of hydraulic cylinder is fixedly connected with bending roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711417772.5A CN108160776B (en) | 2017-12-25 | 2017-12-25 | Guardrail bending apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711417772.5A CN108160776B (en) | 2017-12-25 | 2017-12-25 | Guardrail bending apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108160776A CN108160776A (en) | 2018-06-15 |
| CN108160776B true CN108160776B (en) | 2019-06-25 |
Family
ID=62520340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711417772.5A Expired - Fee Related CN108160776B (en) | 2017-12-25 | 2017-12-25 | Guardrail bending apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108160776B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109365584B (en) * | 2018-10-28 | 2020-06-12 | 广州众山金属科技有限公司 | Strip-shaped section bar forming device |
| CN109570295A (en) * | 2018-12-29 | 2019-04-05 | 张家港市剑泉工具制造有限公司 | A kind of quick apparatus for bending of pliers |
| CN109570287B (en) * | 2019-01-14 | 2023-04-11 | 齐鲁理工学院 | Automatic bending equipment for plates |
| CN112296149B (en) * | 2020-10-19 | 2022-12-09 | 襄阳沃泰华智能科技有限公司 | Special-shaped part bending device for aluminum alloy door and window production |
| CN116618494B (en) * | 2023-07-20 | 2023-10-20 | 河北宇通管道制造有限公司 | Large-caliber bent pipe and preheating device thereof before bending |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000158048A (en) * | 1998-11-20 | 2000-06-13 | Hitachi Ltd | High frequency heating bender by press bending method |
| CN203330198U (en) * | 2013-03-18 | 2013-12-11 | 马鞍山金实新型金属材料科技有限公司 | Steel pipe rolling bending machine |
| CN203695680U (en) * | 2014-01-27 | 2014-07-09 | 江苏凯联达电子科技有限公司 | Angle-adjustable copper tube bending mold |
| GB2520569A (en) * | 2013-11-26 | 2015-05-27 | Gregson Induction Benders Ltd | Apparatus and method for bending an elongate member |
| CN205673414U (en) * | 2016-05-09 | 2016-11-09 | 黄裕辉 | A kind of stainless steel tube bender |
| CN206240994U (en) * | 2016-12-13 | 2017-06-13 | 广东固朗新型材料有限公司 | A kind of press bending apparatus of buffer-type guard rail |
-
2017
- 2017-12-25 CN CN201711417772.5A patent/CN108160776B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000158048A (en) * | 1998-11-20 | 2000-06-13 | Hitachi Ltd | High frequency heating bender by press bending method |
| CN203330198U (en) * | 2013-03-18 | 2013-12-11 | 马鞍山金实新型金属材料科技有限公司 | Steel pipe rolling bending machine |
| GB2520569A (en) * | 2013-11-26 | 2015-05-27 | Gregson Induction Benders Ltd | Apparatus and method for bending an elongate member |
| CN203695680U (en) * | 2014-01-27 | 2014-07-09 | 江苏凯联达电子科技有限公司 | Angle-adjustable copper tube bending mold |
| CN205673414U (en) * | 2016-05-09 | 2016-11-09 | 黄裕辉 | A kind of stainless steel tube bender |
| CN206240994U (en) * | 2016-12-13 | 2017-06-13 | 广东固朗新型材料有限公司 | A kind of press bending apparatus of buffer-type guard rail |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108160776A (en) | 2018-06-15 |
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Effective date of registration: 20221221 Address after: 276000 Linyi Economic Development Zone, Shandong Province Patentee after: Linyi Economic Development Co.,Ltd. Address before: 400000 no.20-10, building 2, No.70, Yinxing Road, Erlang science and technology new town, Jiulongpo District, Chongqing Patentee before: CHONGQING LIFAN DECORATION ENGINEERING Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190625 |